Home / 53,885.16-80,353.04-50,145.39

Finding the Fourth Proportional to 53,885.16, 80,353.04 and 50,145.39

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Solution

The fourth proportional to 53,885.16, 80,353.04 and 50,145.39 is: 74,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885.16 : 80,353.04 = 50,145.39 : x
  2. Step 2: Convert to fraction form
    53,885.16/80,353.04 = 50,145.39/x
  3. Step 3: Cross multiply
    53,885.16x = 80,353.04 × 50,145.39
  4. Step 4: Simplify right side
    53,885.16x = 4,029,334,277.76
  5. Step 5: Solve for x
    x = 4,029,334,277.76/53,885.16
  6. Step 6: Final answer
    x = 74,776.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.